Vulnerability CVE-2017-18013
Published: 2018-01-01

Description:
In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Libtiff -> Libtiff 

 References:
http://bugzilla.maptools.org/show_bug.cgi?id=2770
http://www.securityfocus.com/bid/102345
https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01
https://lists.debian.org/debian-lts-announce/2018/01/msg00033.html
https://lists.debian.org/debian-lts-announce/2018/01/msg00034.html
https://usn.ubuntu.com/3602-1/
https://usn.ubuntu.com/3606-1/
https://www.debian.org/security/2018/dsa-4100
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